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NSC800N Datasheet(PDF) 5 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # NSC800N
Description  NSC800TM High-Performance Low-Power CMOS Microprocessor
PDF  76 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

NSC800N Datasheet(HTML) 5 Page - National Semiconductor (TI)

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40 AC Electrical Characteristics VCC e 5V g10% GND e 0V unless otherwise specified (Continued)
Symbol
Parameter
NSC800-1
NSC800-3
NSC800-35
NSC800-4
Units
Notes
Min
Max
Min
Max
Min
Max
Min
Max
TH(ADH)1 A(8–15) Hold Time During
0
0
0
0
ns
Opcode Fetch
TH(ADH)2 A(8–15) Hold Time During
400
100
85
60
ns
Memory or IO RD and WR
TH(ADL)
AD(0 – 7) Hold Time
100
60
35
30
ns
TH(WD)
Write Data Hold Time
400
100
85
75
ns
tINH
Interrupt Hold Time
0
0
0
0
ns
tINS
Interrupt Set-Up Time
100
50
50
45
ns
tNMI
Width of NMI Input
50
30
25
20
ns
tRDH
Data Hold after Read
0
0
0
0
ns
tRFLF
RFSH Rising to ALE
60
50
45
40
ns
Falling
tRL(MR)
RD Rising to ALE Rising
390
100
50
45
ns
(Memory Read)
tS(AD)
AD(0 – 7) Set-Up Time
300
45
45
40
ns
tS(ALE)
A(8 – 15) SO SI IOM
350
70
55
50
ns
Set-Up Time
tS(WD)
Write Data Set-Up Time
385
75
35
30
ns
tW(ALE)
ALE Width
430
130
115
100
ns
tWH
WAIT Hold Time
0
0
0
0
ns
tW(I)
Width of INTR RSTA-C
500
200
140
125
ns
PS BREQ
tW(INTA)
INTA Strobe Width
1000
400
225
200
ns
Add two t states for first
INTA of each interrupt
response string Add t for
each WAIT state
tWL
WR Rising to ALE Rising
450
130
70
70
ns
tW(RD)
Read Strobe Width During
960
360
210
185
ns
Add t for each WAIT
State Add t2 for Memory
Opcode Fetch
Read Cycles
tW(RFSH) Refresh Strobe Width
1925
725
450
395
ns
tWS
WAIT Set-Up Time
100
70
60
55
ns
tW(WAIT)
WAIT Input Width
550
250
195
175
ns
tW(WR)
Write Strobe Width
985
370
250
220
ns
Add t for each WAIT state
tXCF
XIN to Clock Falling
25
100
15
95
5
90
5
80
ns
tXCR
XIN to Clock Rising
25
85
15
85
5
90
5
80
ns
Note 1
Test conditions t e 1000 ns for NSC800-1 400 ns for NSC800 285 ns for NSC800-35 250 ns for NSC800-4
Note 2
Output timings are measured with a purely capacitive load of 100 pF
5



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